Improved cord for window-sash



UNITED STATES.

PATENT OEEICE.

SIGOURNEY WALES, OF BOSTON, MASSACHUSETTS.

IMPROVED CORD FOR WINDOW-SASH.

Specification forming part of Letters Patent No. 50,405, dated October10, 1865.

To all whom 'it 'may concern:

Be it known that 1, SIGOUENEY WALES, of Boston, in the county of Sul'olkand State of Massachusetts, have made a new and useful Invention havingreference to the Cords of Window-Sash NVeights; and I do hereby declarethe same to be fully described in the following specication andrepresented in the accompanying drawings, of which- Figures l, 2, and 3exhibit front, rear, and side views `of my invention and its applicationto the knot of a cord of a window-sash Weight.

In the application of the balancing-Weight cord to a Window-sash it hasbeen customary to bore with an auger or bit a round cavityin the edge ofthe sash,and afterward to form in such edge a groove to lead out of suchcavity and to the upper edge of the sash. A knot made at one end of theWeightcord, being inserted Within the cavity, caused a part of the cordto enter the groove. The knot, under such circumstances and under thepressure of the Weight and the sash, is apt either to become iammed intothe groove or untied or drawn through it.

To prevent these evils or accidents I combine with the cord and itsknota wire twisted in a helix and encircling the knot and receiving thecord between tivo coils of the helix, the same being as represented inthe drawings,in which C is the Weight-cord, or a part thereof, b itsknot, and A the helix of wire.

In order that the coil covering the cord may fit thereto, Iform suchcoil with a lateral bend or arch, as shown at c in Fig. 3. This arch, bystraddling the cord, aids in holding the helix firmly thereon. Thehelix,thus made and applied to the cord and its knot, not only will preventthe cord from becomingjammed into the grooves or untied, but alsoprotects it from Wear, and has been found in practice to be of muchvalue and utility.

I claim as my invention- 1. The arrangement and combination of the Wirehelix A with the sash-Weight cord C and its knot b, substantially asdescribed.

2. The wire helix A, as made With the arch or bend cto span the cordabove its knot when applied there-to, as specified.

SIGOUBNEY WALES.

Witnesses:

It. H. EDDY, FREDERICK CURTIS.

